Garmin eTrex H Handheld GPS Navigator No batteries are included with the purchase of this unit. Any AA batteries will work in this device. High-sensitivity, WAAS-enabled GPS receiver provides peak performance in any environment Lightweight and waterproof High-contrast 2.1-inch X 1.1-inch screen with bright back lighting 5 buttons located on either side of the device for one-hand operation Stores up to 500 waypoints for easy retrieval and 20 routes with up to 125 waypoints per route